Alleman, IA Weather & Growing Conditions
Overnight
45°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy, with a low around 45. West northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Slight Chance Rain Showers | 14 mph WNW | 23% |
| Wednesday | 51°F | Slight Chance Rain Showers then Cloudy | 16 mph W | 24% |
| Wednesday Night | 45°F | Cloudy then Slight Chance Rain Showers | 13 mph W | 22% |
| Thursday | 54°F | Chance Rain Showers then Mostly Cloudy | 13 mph NW | 48% |
| Thursday Night | 40°F | Mostly Cloudy | 6 to 9 mph NNW | 8% |
| Friday | 50°F | Mostly Sunny | 7 mph N | 4% |
| Friday Night | 31°F | Partly Cloudy | 0 to 3 mph ENE | 2% |
| Saturday | 53°F | Mostly Sunny | 1 to 5 mph SSW | 1% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 59°F | Sunny | 6 mph W | 1% |
| Sunday Night | 38°F | Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 64°F | Sunny | 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alleman, IA
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
5b
Explore more for Alleman, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Ankeny, Ia (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.